<template>
    <div class="login">
        <h1>CUMO用户管理后台</h1>
        <el-form :model="ruleForm2" status-icon :rules="rules2" ref="ruleForm2" size="large" class="login-form">
            <el-form-item prop="username">
                <el-input type="text" v-model="ruleForm2.username" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item prop="password">
                <el-input type="password" v-model="ruleForm2.checkPass" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item>
                <el-button class="login-btn" type="primary" @click="submitForm('ruleForm2')">登录</el-button>
            </el-form-item>
        </el-form>
    </div>
</template>

<script>
    export default {
        name: "Login",
        data() {
            let checkAge = (rule, value, callback) => {
                if (!value) {
                    return callback(new Error('年龄不能为空'));
                }
                setTimeout(() => {
                    if (!Number.isInteger(value)) {
                        callback(new Error('请输入数字值'));
                    } else {
                        if (value < 18) {
                            callback(new Error('必须年满18岁'));
                        } else {
                            callback();
                        }
                    }
                }, 1000);
            };
            let validatePass = (rule, value, callback) => {
                if (value === '') {
                    callback(new Error('请输入密码'));
                } else {
                    if (this.ruleForm2.checkPass !== '') {
                        this.$refs.ruleForm2.validateField('checkPass');
                    }
                    callback();
                }
            };
            let validatePass2 = (rule, value, callback) => {
                if (value === '') {
                    callback(new Error('请再次输入密码'));
                } else if (value !== this.ruleForm2.pass) {
                    callback(new Error('两次输入密码不一致!'));
                } else {
                    callback();
                }
            };
            return {
                ruleForm2: {
                    pass: '',
                    checkPass: '',
                    age: ''
                },
                rules2: {
                    pass: [
                        {validator: validatePass, trigger: 'blur'}
                    ],
                    checkPass: [
                        {validator: validatePass2, trigger: 'blur'}
                    ],
                    age: [
                        {validator: checkAge, trigger: 'blur'}
                    ]
                }
            };
        },
        methods: {
            submitForm(formName) {
                this.$refs[formName].validate((valid) => {
                    if (valid) {
                        alert('submit!');
                    } else {
                        console.log('error submit!!');
                        return false;
                    }
                });
            },
            resetForm(formName) {
                this.$refs[formName].resetFields();
            }
        }
    }
</script>

<style scoped lang="stylus" ref="stylesheet/stylus">
    .login
        text-align: center
        color: #909399
        background: url("./../../../public/static/img/login_bgc.jpg") center no-repeat;
        height: 100vh
        padding-top: 200px
        box-sizing border-box
        h1
            font-size: 30px
        .login-form
            width: 300px;
            margin: 40px auto
            .login-btn
                width: 100%
</style>